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Current Electricity

Current Electricity
The maximum current rating for a 10 kΩ, 0.5 W resistor is

28.28 mA
0.707 mA
14.14 mA
7.07 mA

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Current Electricity
Two resistances Rl and Ri are connected in series across the voltage source where Rl > Ri. The largest drop will be across

Either Rl or Ri
Rl
None of them
Ri

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Current Electricity
An electric filament bulb can be worked from

AC supply only
All of the listed here
DC supply only
Battery supply only

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Current Electricity
Voltage dependent resistors are usually made from

Graphite
Nichrome
Charcoal
Silicon carbide

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Current Electricity
Which of the following is the best conductor of electricity?

Silver
Copper
Zinc
Gold

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Current Electricity
Varistors are

Resistor with zero temperature co-efficient
Non-linear resistors
Insulators
Carbon resistors

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